epa04776234 Turkish President Recep Tayyip Erdogan (C) and his wife Emine (L) greet supporters during a rally marking the 562nd anniversary of the conquest of Istanbul by the Ottomans, in Istanbul, Turkey, 30 May 2015. The capital of the Byzantine empire, known then as Constantinople, fell to Ottoman Sultan Mehmed II 29 May 1453. EPA/SEDAT SUNA
